“…The limestone has a predominance of pelagic organisms where radiolarians commonly can be observed in abundance with a hand lens. Figure 1.Locality map showing position of study area (after Cooper et al, 2001). Inset map shows Port au Port Peninsula's location in relation to Newfoundland.…”
Section: Stratigraphic Settingmentioning
confidence: 99%
“…Locality map showing position of study area (after Cooper et al, 2001). Inset map shows Port au Port Peninsula's location in relation to Newfoundland.…”
A new, previously undescribed Middle Ordovician (middle Darriwilian: Dw2) radiolarian assemblage has been recovered from the Table Cove Formation at Piccadilly Quarry, western Newfoundland. Constituents of the fauna described herein are both distinctive and exceptionally well preserved. Three-dimensional X-ray micro-computed tomography (μ-CT) is used to make a detailed examination of four key spumellarian specimens. This technology enables visualization of hitherto ambiguous details of the internal morphologies of key lower Paleozoic taxonomic groups, among which a lack of knowledge has impeded resolution of higher taxonomic rankings.
“…The limestone has a predominance of pelagic organisms where radiolarians commonly can be observed in abundance with a hand lens. Figure 1.Locality map showing position of study area (after Cooper et al, 2001). Inset map shows Port au Port Peninsula's location in relation to Newfoundland.…”
Section: Stratigraphic Settingmentioning
confidence: 99%
“…Locality map showing position of study area (after Cooper et al, 2001). Inset map shows Port au Port Peninsula's location in relation to Newfoundland.…”
A new, previously undescribed Middle Ordovician (middle Darriwilian: Dw2) radiolarian assemblage has been recovered from the Table Cove Formation at Piccadilly Quarry, western Newfoundland. Constituents of the fauna described herein are both distinctive and exceptionally well preserved. Three-dimensional X-ray micro-computed tomography (μ-CT) is used to make a detailed examination of four key spumellarian specimens. This technology enables visualization of hitherto ambiguous details of the internal morphologies of key lower Paleozoic taxonomic groups, among which a lack of knowledge has impeded resolution of higher taxonomic rankings.
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